{"slug":"medien-halowerk-com-v1-audio-convert-706bed","title":"Takes an audio or video file and returns the audio in the requested format — MP3","host":"medien.halowerk.com","method":"POST","resource":"https://medien.halowerk.com/v1/audio-convert","category":"image","description":"Takes an audio or video file and returns the audio in the requested format — MP3, Opus, Ogg Vorbis, AAC in M4A, WAV or FLAC — with selectable bitrate for lossy formats, sample rate and mono or stereo. Only the first audio stream is converted; the content is not altered otherwise. Input and output ar","price_listed":0.002,"price_asked":0.002,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":1399,"reported_calls_30d":1,"reported_payers_30d":1,"networks":["eip155:8453"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"body":{"bitrate_kbps":96,"channels":1,"duration_minutes":1,"format":"mp3","source":{"url":"https://static.deepgram.com/examples/Bueller-Life-moves-pretty-fast.wav"}},"bodyType":"json","method":"POST","type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"body":{"additionalProperties":false,"properties":{"bitrate_kbps":{"default":128,"description":"For mp3, opus, ogg and aac.","maximum":320,"minimum":16,"type":"integer"},"channels":{"enum":[1,2],"type":"integer"},"duration_minutes":{"description":"Length in started minutes — this is what you are billed for.","maximum":60,"minimum":1,"type":"integer"},"format":{"enum":["mp3","opus","ogg","aac","wav","flac"],"type":"string"},"sample_rate":{"enum":[8000,16000,22050,24000,32000,44100,48000],"type":"integer"},"source":{"additionalProperties":false,"description":"The recording. Either url or content_base64.","properties":{"content_base64":{"description":"The file inline, base64. Larger files by url.","maxLength":12000000,"type":"string"},"filename":{"maxLength":260,"type":"string"},"url":{"description":"Public http(s) URL of the file.","maxLength":2048,"type":"string"}},"type":"object"}},"required":["source","duration_minutes","format"],"type":"object"},"bodyType":{"enum":["json","form-data","text"],"type":"string"},"method":{"enum":["POST","PUT","PATCH"],"type":"string"},"type":{"const":"http","type":"string"}},"required":["type","method","bodyType","body"],"type":"object"}},"required":["input"],"type":"object"},"history":[{"day":"2026-10-31","reachable":true,"status":402,"valid_402":true,"asked_usdc":0.002,"price_match":true,"latency_ms":1399,"error":null}],"description_full":"Takes an audio or video file and returns the audio in the requested format — MP3, Opus, Ogg Vorbis, AAC in M4A, WAV or FLAC — with selectable bitrate for lossy formats, sample rate and mono or stereo. Only the first audio stream is converted; the content is not altered otherwise. Input and output are measured with ffprobe and both are reported, including size change. Output inline as base64, max 8 MB. Runs entirely on this machine; nothing is sent to third parties or stored.","last_updated":"2026-10-30T13:52:17.058Z","schemes":["exact"]}